Question : How long do most people stay in Austin when they fly in from Peoria?
Answer : Passengers from PIA to AUS stay six days on average.
Question : Is price more important than specific travel days for you?
Answer : The lowest-cost day to fly in December is Wednesday. Being flexible with your travel days garners you even more savings during your booking.
Question : Which airline is offering the cheapest round-trip flight from PIA to AUS?
Answer : American Airlines is your best bet for finding that coveted low fare.